Question: When did John Frederick William Herschel receive the Copley Medal?
Paraphrase: Give me the date that John Frederick William Herschel received the Copley Medal.
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q14278 p:P166 ?s . ?s ps:P166 wd:Q28003 . ?s pq:P585 ?value}